Change the kernel dev_t, representing a pointer to a specinfo structure,
[dragonfly.git] / sys / dev / usbmisc / uscanner / uscanner.c
CommitLineData
62ade751 1/*
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2 * $NetBSD: uscanner.c,v 1.30 2002/07/11 21:14:36 augustss Exp $
3 * $FreeBSD: src/sys/dev/usb/uscanner.c,v 1.48 2003/12/22 19:58:27 sanpei Exp $
b13267a5 4 * $DragonFly: src/sys/dev/usbmisc/uscanner/uscanner.c,v 1.14 2006/09/10 01:26:37 dillon Exp $
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5 */
6
7/* Also already merged from NetBSD:
8 * $NetBSD: uscanner.c,v 1.33 2002/09/23 05:51:24 simonb Exp $
62ade751 9 */
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10
11/*
12 * Copyright (c) 2000 The NetBSD Foundation, Inc.
13 * All rights reserved.
14 *
15 * This code is derived from software contributed to The NetBSD Foundation
16 * by Lennart Augustsson (lennart@augustsson.net) at
17 * Carlstedt Research & Technology
18 * and Nick Hibma (n_hibma@qubesoft.com).
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in the
27 * documentation and/or other materials provided with the distribution.
28 * 3. All advertising materials mentioning features or use of this software
29 * must display the following acknowledgement:
30 * This product includes software developed by the NetBSD
31 * Foundation, Inc. and its contributors.
32 * 4. Neither the name of The NetBSD Foundation nor the names of its
33 * contributors may be used to endorse or promote products derived
34 * from this software without specific prior written permission.
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
37 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
38 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
40 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
41 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
42 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
43 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
44 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
46 * POSSIBILITY OF SUCH DAMAGE.
47 */
48
49
50#include <sys/param.h>
51#include <sys/systm.h>
52#include <sys/kernel.h>
53#include <sys/malloc.h>
54#if defined(__NetBSD__) || defined(__OpenBSD__)
55#include <sys/device.h>
d47ac1a2 56#elif defined(__FreeBSD__) || defined(__DragonFly__)
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57#include <sys/module.h>
58#include <sys/bus.h>
59#include <sys/conf.h>
60#include <sys/fcntl.h>
61#include <sys/filio.h>
62#endif
63#include <sys/tty.h>
64#include <sys/file.h>
d47ac1a2 65#if defined(__FreeBSD__) && __FreeBSD_version >= 500014
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66#include <sys/selinfo.h>
67#else
984263bc 68#include <sys/select.h>
1550dfd9 69#endif
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70#include <sys/proc.h>
71#include <sys/vnode.h>
72#include <sys/poll.h>
73#include <sys/conf.h>
74#include <sys/sysctl.h>
4e01b467 75#include <sys/thread2.h>
984263bc 76
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77#include <bus/usb/usb.h>
78#include <bus/usb/usbdi.h>
79#include <bus/usb/usbdi_util.h>
984263bc 80
1f2de5d4 81#include <bus/usb/usbdevs.h>
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82
83#ifdef USB_DEBUG
84#define DPRINTF(x) if (uscannerdebug) logprintf x
85#define DPRINTFN(n,x) if (uscannerdebug>(n)) logprintf x
86int uscannerdebug = 0;
87SYSCTL_NODE(_hw_usb, OID_AUTO, uscanner, CTLFLAG_RW, 0, "USB uscanner");
88SYSCTL_INT(_hw_usb_uscanner, OID_AUTO, debug, CTLFLAG_RW,
89 &uscannerdebug, 0, "uscanner debug level");
90#else
91#define DPRINTF(x)
92#define DPRINTFN(n,x)
93#endif
94
95struct uscan_info {
96 struct usb_devno devno;
97 u_int flags;
98#define USC_KEEP_OPEN 1
99};
100
101/* Table of scanners that may work with this driver. */
102static const struct uscan_info uscanner_devs[] = {
103 /* Acer Peripherals */
104 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_320U }, 0 },
105 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_640U }, 0 },
106 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_620U }, 0 },
107 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_C310U }, 0 },
108
109 /* AGFA */
110 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1236U }, 0 },
111 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1212U }, 0 },
112 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1212U2 }, 0 },
113 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANTOUCH }, 0 },
114 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE40 }, 0 },
115 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE50 }, 0 },
116 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE20 }, 0 },
117 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE25 }, 0 },
118 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE26 }, 0 },
119 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE52 }, 0 },
120
121 /* Avision */
122 {{ USB_VENDOR_AVISION, USB_PRODUCT_AVISION_1200U }, 0 },
123
124 /* Canon */
125 {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_N656U }, 0 },
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126 {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_N676U }, 0 },
127 {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_D660U }, 0 },
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128
129 /* Kye */
130 {{ USB_VENDOR_KYE, USB_PRODUCT_KYE_VIVIDPRO }, 0 },
131
132 /* HP */
133 {{ USB_VENDOR_HP, USB_PRODUCT_HP_2200C }, 0 },
134 {{ USB_VENDOR_HP, USB_PRODUCT_HP_3300C }, 0 },
135 {{ USB_VENDOR_HP, USB_PRODUCT_HP_3400CSE }, 0 },
136 {{ USB_VENDOR_HP, USB_PRODUCT_HP_4100C }, 0 },
137 {{ USB_VENDOR_HP, USB_PRODUCT_HP_4200C }, 0 },
138 {{ USB_VENDOR_HP, USB_PRODUCT_HP_4300C }, 0 },
139 {{ USB_VENDOR_HP, USB_PRODUCT_HP_S20 }, 0 },
140 {{ USB_VENDOR_HP, USB_PRODUCT_HP_5200C }, 0 },
141 {{ USB_VENDOR_HP, USB_PRODUCT_HP_5300C }, 0 },
142 {{ USB_VENDOR_HP, USB_PRODUCT_HP_5400C }, 0 },
143 {{ USB_VENDOR_HP, USB_PRODUCT_HP_6200C }, 0 },
144 {{ USB_VENDOR_HP, USB_PRODUCT_HP_6300C }, 0 },
145
146 /* Microtek */
147 {{ USB_VENDOR_SCANLOGIC, USB_PRODUCT_SCANLOGIC_336CX }, 0 },
148 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_X6U }, 0 },
149 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_336CX }, 0 },
150 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_336CX2 }, 0 },
151 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_C6 }, 0 },
152 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6USL }, 0 },
153 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6USL2 }, 0 },
154 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6UL }, 0 },
155
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156 /* Minolta */
157 {{ USB_VENDOR_MINOLTA, USB_PRODUCT_MINOLTA_5400 }, 0 },
158
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159 /* Mustek */
160 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200CU }, 0 },
161 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_BEARPAW1200F }, 0 },
62ade751 162 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_BEARPAW1200TA }, 0 },
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163 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_600USB }, 0 },
164 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_600CU }, 0 },
165 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200USB }, 0 },
166 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200UB }, 0 },
167 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200USBPLUS }, 0 },
168 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200CUPLUS }, 0 },
169
170 /* National */
171 {{ USB_VENDOR_NATIONAL, USB_PRODUCT_NATIONAL_BEARPAW1200 }, 0 },
172 {{ USB_VENDOR_NATIONAL, USB_PRODUCT_NATIONAL_BEARPAW2400 }, 0 },
173
174 /* Primax */
175 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2X300 }, 0 },
176 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E300 }, 0 },
177 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2300 }, 0 },
178 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E3002 }, 0 },
179 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_9600 }, 0 },
180 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_600U }, 0 },
181 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_6200 }, 0 },
182 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_19200 }, 0 },
183 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_1200U }, 0 },
184 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G600 }, 0 },
185 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_636I }, 0 },
186 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2600 }, 0 },
187 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E600 }, 0 },
188
189 /* Epson */
190 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_636 }, 0 },
191 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_610 }, 0 },
192 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1200 }, 0 },
193 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1240 }, 0 },
62ade751 194 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1250 }, 0 },
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195 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1600 }, 0 },
196 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1640 }, 0 },
197 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_640U }, 0 },
198 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1650 }, 0 },
199 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1660 }, 0 },
200 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1260 }, 0 },
201 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_GT9700F }, USC_KEEP_OPEN },
62ade751 202 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_GT9300UF }, 0 },
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203
204 /* UMAX */
205 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA1220U }, 0 },
206 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA1236U }, 0 },
207 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2000U }, 0 },
1550dfd9 208 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2100U }, 0 },
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209 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2200U }, 0 },
210 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA3400 }, 0 },
211
212 /* Visioneer */
213 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_3000 }, 0 },
214 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_5300 }, 0 },
215 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_7600 }, 0 },
216 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_6100 }, 0 },
217 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_6200 }, 0 },
218 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_8100 }, 0 },
219 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_8600 }, 0 },
220
221 /* Ultima */
222 {{ USB_VENDOR_ULTIMA, USB_PRODUCT_ULTIMA_1200UBPLUS }, 0 },
223
224};
225#define uscanner_lookup(v, p) ((const struct uscan_info *)usb_lookup(uscanner_devs, v, p))
226
227#define USCANNER_BUFFERSIZE 1024
228
229struct uscanner_softc {
230 USBBASEDEVICE sc_dev; /* base device */
231 usbd_device_handle sc_udev;
232 usbd_interface_handle sc_iface;
233
234 u_int sc_dev_flags;
235
236 usbd_pipe_handle sc_bulkin_pipe;
237 int sc_bulkin;
238 usbd_xfer_handle sc_bulkin_xfer;
239 void *sc_bulkin_buffer;
240 int sc_bulkin_bufferlen;
241 int sc_bulkin_datalen;
242
243 usbd_pipe_handle sc_bulkout_pipe;
244 int sc_bulkout;
245 usbd_xfer_handle sc_bulkout_xfer;
246 void *sc_bulkout_buffer;
247 int sc_bulkout_bufferlen;
248 int sc_bulkout_datalen;
249
250 u_char sc_state;
251#define USCANNER_OPEN 0x01 /* opened */
252
253 int sc_refcnt;
254 u_char sc_dying;
255};
256
257#if defined(__NetBSD__) || defined(__OpenBSD__)
258cdev_decl(uscanner);
d47ac1a2 259#elif defined(__FreeBSD__) || defined(__DragonFly__)
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260d_open_t uscanneropen;
261d_close_t uscannerclose;
262d_read_t uscannerread;
263d_write_t uscannerwrite;
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264d_poll_t uscannerpoll;
265
266#define USCANNER_CDEV_MAJOR 156
267
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268Static struct dev_ops uscanner_ops = {
269 { "uscanner", USCANNER_CDEV_MAJOR, 0 },
270 .d_open = uscanneropen,
271 .d_close = uscannerclose,
272 .d_read = uscannerread,
273 .d_write = uscannerwrite,
274 .d_poll = uscannerpoll,
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275};
276#endif
277
278Static int uscanner_do_read(struct uscanner_softc *, struct uio *, int);
279Static int uscanner_do_write(struct uscanner_softc *, struct uio *, int);
280Static void uscanner_do_close(struct uscanner_softc *);
281
282#define USCANNERUNIT(n) (minor(n))
283
284USB_DECLARE_DRIVER(uscanner);
285
286USB_MATCH(uscanner)
287{
288 USB_MATCH_START(uscanner, uaa);
289
290 if (uaa->iface != NULL)
291 return UMATCH_NONE;
292
293 return (uscanner_lookup(uaa->vendor, uaa->product) != NULL ?
294 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
295}
296
297USB_ATTACH(uscanner)
298{
299 USB_ATTACH_START(uscanner, sc, uaa);
300 usb_interface_descriptor_t *id = 0;
301 usb_endpoint_descriptor_t *ed, *ed_bulkin = NULL, *ed_bulkout = NULL;
302 char devinfo[1024];
303 int i;
304 usbd_status err;
305
306 usbd_devinfo(uaa->device, 0, devinfo);
307 USB_ATTACH_SETUP;
308 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfo);
309
310 sc->sc_dev_flags = uscanner_lookup(uaa->vendor, uaa->product)->flags;
311
312 sc->sc_udev = uaa->device;
313
314 err = usbd_set_config_no(uaa->device, 1, 1); /* XXX */
315 if (err) {
316 printf("%s: setting config no failed\n",
317 USBDEVNAME(sc->sc_dev));
318 USB_ATTACH_ERROR_RETURN;
319 }
320
321 /* XXX We only check the first interface */
322 err = usbd_device2interface_handle(sc->sc_udev, 0, &sc->sc_iface);
323 if (!err && sc->sc_iface)
324 id = usbd_get_interface_descriptor(sc->sc_iface);
325 if (err || id == 0) {
326 printf("%s: could not get interface descriptor, err=%d,id=%p\n",
327 USBDEVNAME(sc->sc_dev), err, id);
328 USB_ATTACH_ERROR_RETURN;
329 }
330
331 /* Find the two first bulk endpoints */
332 for (i = 0 ; i < id->bNumEndpoints; i++) {
333 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
334 if (ed == 0) {
335 printf("%s: could not read endpoint descriptor\n",
336 USBDEVNAME(sc->sc_dev));
337 USB_ATTACH_ERROR_RETURN;
338 }
339
340 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN
341 && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
342 ed_bulkin = ed;
343 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT
344 && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
345 ed_bulkout = ed;
346 }
347
348 if (ed_bulkin && ed_bulkout) /* found all we need */
349 break;
350 }
351
352 /* Verify that we goething sensible */
353 if (ed_bulkin == NULL || ed_bulkout == NULL) {
354 printf("%s: bulk-in and/or bulk-out endpoint not found\n",
355 USBDEVNAME(sc->sc_dev));
356 USB_ATTACH_ERROR_RETURN;
357 }
358
359 sc->sc_bulkin = ed_bulkin->bEndpointAddress;
360 sc->sc_bulkout = ed_bulkout->bEndpointAddress;
361
d47ac1a2 362#if defined(__FreeBSD__) || defined(__DragonFly__)
984263bc 363 /* the main device, ctrl endpoint */
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364 dev_ops_add(&uscanner_ops, -1, USBDEVUNIT(sc->sc_dev));
365 make_dev(&uscanner_ops, USBDEVUNIT(sc->sc_dev),
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366 UID_ROOT, GID_OPERATOR, 0644, "%s", USBDEVNAME(sc->sc_dev));
367#endif
368
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369 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
370 USBDEV(sc->sc_dev));
371
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372 USB_ATTACH_SUCCESS_RETURN;
373}
374
375int
fef8985e 376uscanneropen(struct dev_open_args *ap)
984263bc 377{
b13267a5 378 cdev_t dev = ap->a_head.a_dev;
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379 struct uscanner_softc *sc;
380 int unit = USCANNERUNIT(dev);
381 usbd_status err;
382
383 USB_GET_SC_OPEN(uscanner, unit, sc);
384
1550dfd9 385 DPRINTFN(5, ("uscanneropen: flag=%d, mode=%d, unit=%d\n",
fef8985e 386 ap->a_oflags, ap->a_devtype, unit));
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387
388 if (sc->sc_dying)
389 return (ENXIO);
390
391 if (sc->sc_state & USCANNER_OPEN)
392 return (EBUSY);
393
394 sc->sc_state |= USCANNER_OPEN;
395
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396 sc->sc_bulkin_buffer = kmalloc(USCANNER_BUFFERSIZE, M_USBDEV, M_WAITOK);
397 sc->sc_bulkout_buffer = kmalloc(USCANNER_BUFFERSIZE, M_USBDEV, M_WAITOK);
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398 /* No need to check buffers for NULL since we have WAITOK */
399
400 sc->sc_bulkin_bufferlen = USCANNER_BUFFERSIZE;
401 sc->sc_bulkout_bufferlen = USCANNER_BUFFERSIZE;
402
403 /* We have decided on which endpoints to use, now open the pipes */
404 if (sc->sc_bulkin_pipe == NULL) {
405 err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkin,
406 USBD_EXCLUSIVE_USE, &sc->sc_bulkin_pipe);
407 if (err) {
408 printf("%s: cannot open bulk-in pipe (addr %d)\n",
409 USBDEVNAME(sc->sc_dev), sc->sc_bulkin);
410 uscanner_do_close(sc);
411 return (EIO);
412 }
413 }
414 if (sc->sc_bulkout_pipe == NULL) {
415 err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkout,
416 USBD_EXCLUSIVE_USE, &sc->sc_bulkout_pipe);
417 if (err) {
418 printf("%s: cannot open bulk-out pipe (addr %d)\n",
419 USBDEVNAME(sc->sc_dev), sc->sc_bulkout);
420 uscanner_do_close(sc);
421 return (EIO);
422 }
423 }
424
425 sc->sc_bulkin_xfer = usbd_alloc_xfer(sc->sc_udev);
426 if (sc->sc_bulkin_xfer == NULL) {
427 uscanner_do_close(sc);
428 return (ENOMEM);
429 }
430 sc->sc_bulkout_xfer = usbd_alloc_xfer(sc->sc_udev);
431 if (sc->sc_bulkout_xfer == NULL) {
432 uscanner_do_close(sc);
433 return (ENOMEM);
434 }
435
436 return (0); /* success */
437}
438
439int
fef8985e 440uscannerclose(struct dev_close_args *ap)
984263bc 441{
b13267a5 442 cdev_t dev = ap->a_head.a_dev;
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443 struct uscanner_softc *sc;
444
445 USB_GET_SC(uscanner, USCANNERUNIT(dev), sc);
446
447 DPRINTFN(5, ("uscannerclose: flag=%d, mode=%d, unit=%d\n",
fef8985e 448 ap->a_fflag, ap->a_devtype, USCANNERUNIT(dev)));
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449
450#ifdef DIAGNOSTIC
451 if (!(sc->sc_state & USCANNER_OPEN)) {
452 printf("uscannerclose: not open\n");
453 return (EINVAL);
454 }
455#endif
456
457 uscanner_do_close(sc);
458
459 return (0);
460}
461
462void
463uscanner_do_close(struct uscanner_softc *sc)
464{
465 if (sc->sc_bulkin_xfer) {
466 usbd_free_xfer(sc->sc_bulkin_xfer);
467 sc->sc_bulkin_xfer = NULL;
468 }
469 if (sc->sc_bulkout_xfer) {
470 usbd_free_xfer(sc->sc_bulkout_xfer);
471 sc->sc_bulkout_xfer = NULL;
472 }
473
474 if (!(sc->sc_dev_flags & USC_KEEP_OPEN)) {
475 if (sc->sc_bulkin_pipe != NULL) {
476 usbd_abort_pipe(sc->sc_bulkin_pipe);
477 usbd_close_pipe(sc->sc_bulkin_pipe);
478 sc->sc_bulkin_pipe = NULL;
479 }
480 if (sc->sc_bulkout_pipe != NULL) {
481 usbd_abort_pipe(sc->sc_bulkout_pipe);
482 usbd_close_pipe(sc->sc_bulkout_pipe);
483 sc->sc_bulkout_pipe = NULL;
484 }
485 }
486
487 if (sc->sc_bulkin_buffer) {
efda3bd0 488 kfree(sc->sc_bulkin_buffer, M_USBDEV);
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489 sc->sc_bulkin_buffer = NULL;
490 }
491 if (sc->sc_bulkout_buffer) {
efda3bd0 492 kfree(sc->sc_bulkout_buffer, M_USBDEV);
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493 sc->sc_bulkout_buffer = NULL;
494 }
495
496 sc->sc_state &= ~USCANNER_OPEN;
497}
498
499Static int
500uscanner_do_read(struct uscanner_softc *sc, struct uio *uio, int flag)
501{
502 u_int32_t n, tn;
503 usbd_status err;
504 int error = 0;
505
506 DPRINTFN(5, ("%s: uscannerread\n", USBDEVNAME(sc->sc_dev)));
507
508 if (sc->sc_dying)
509 return (EIO);
510
511 while ((n = min(sc->sc_bulkin_bufferlen, uio->uio_resid)) != 0) {
512 DPRINTFN(1, ("uscannerread: start transfer %d bytes\n",n));
513 tn = n;
514
515 err = usbd_bulk_transfer(
516 sc->sc_bulkin_xfer, sc->sc_bulkin_pipe,
517 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT,
518 sc->sc_bulkin_buffer, &tn,
519 "uscnrb");
520 if (err) {
521 if (err == USBD_INTERRUPTED)
522 error = EINTR;
523 else if (err == USBD_TIMEOUT)
524 error = ETIMEDOUT;
525 else
526 error = EIO;
527 break;
528 }
529 DPRINTFN(1, ("uscannerread: got %d bytes\n", tn));
530 error = uiomove(sc->sc_bulkin_buffer, tn, uio);
531 if (error || tn < n)
532 break;
533 }
534
535 return (error);
536}
537
538int
fef8985e 539uscannerread(struct dev_read_args *ap)
984263bc 540{
b13267a5 541 cdev_t dev = ap->a_head.a_dev;
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542 struct uscanner_softc *sc;
543 int error;
544
545 USB_GET_SC(uscanner, USCANNERUNIT(dev), sc);
546
547 sc->sc_refcnt++;
fef8985e 548 error = uscanner_do_read(sc, ap->a_uio, ap->a_ioflag);
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549 if (--sc->sc_refcnt < 0)
550 usb_detach_wakeup(USBDEV(sc->sc_dev));
551
552 return (error);
553}
554
555Static int
556uscanner_do_write(struct uscanner_softc *sc, struct uio *uio, int flag)
557{
558 u_int32_t n;
559 int error = 0;
560 usbd_status err;
561
562 DPRINTFN(5, ("%s: uscanner_do_write\n", USBDEVNAME(sc->sc_dev)));
563
564 if (sc->sc_dying)
565 return (EIO);
566
567 while ((n = min(sc->sc_bulkout_bufferlen, uio->uio_resid)) != 0) {
568 error = uiomove(sc->sc_bulkout_buffer, n, uio);
569 if (error)
570 break;
571 DPRINTFN(1, ("uscanner_do_write: transfer %d bytes\n", n));
572 err = usbd_bulk_transfer(
573 sc->sc_bulkout_xfer, sc->sc_bulkout_pipe,
574 0, USBD_NO_TIMEOUT,
575 sc->sc_bulkout_buffer, &n,
576 "uscnwb");
577 if (err) {
578 if (err == USBD_INTERRUPTED)
579 error = EINTR;
580 else
581 error = EIO;
582 break;
583 }
584 }
585
586 return (error);
587}
588
589int
fef8985e 590uscannerwrite(struct dev_write_args *ap)
984263bc 591{
b13267a5 592 cdev_t dev = ap->a_head.a_dev;
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593 struct uscanner_softc *sc;
594 int error;
595
596 USB_GET_SC(uscanner, USCANNERUNIT(dev), sc);
597
598 sc->sc_refcnt++;
fef8985e 599 error = uscanner_do_write(sc, ap->a_uio, ap->a_ioflag);
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600 if (--sc->sc_refcnt < 0)
601 usb_detach_wakeup(USBDEV(sc->sc_dev));
602 return (error);
603}
604
605#if defined(__NetBSD__) || defined(__OpenBSD__)
606int
607uscanner_activate(device_ptr_t self, enum devact act)
608{
609 struct uscanner_softc *sc = (struct uscanner_softc *)self;
610
611 switch (act) {
612 case DVACT_ACTIVATE:
613 return (EOPNOTSUPP);
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614
615 case DVACT_DEACTIVATE:
616 sc->sc_dying = 1;
617 break;
618 }
619 return (0);
620}
621#endif
622
623USB_DETACH(uscanner)
624{
625 USB_DETACH_START(uscanner, sc);
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626#if defined(__NetBSD__) || defined(__OpenBSD__)
627 int maj, mn;
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628#endif
629
630#if defined(__NetBSD__) || defined(__OpenBSD__)
631 DPRINTF(("uscanner_detach: sc=%p flags=%d\n", sc, flags));
d47ac1a2 632#elif defined(__FreeBSD__) || defined(__DragonFly__)
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633 DPRINTF(("uscanner_detach: sc=%p\n", sc));
634#endif
635
636 sc->sc_dying = 1;
637 sc->sc_dev_flags = 0; /* make close really close device */
638
639 /* Abort all pipes. Causes processes waiting for transfer to wake. */
640 if (sc->sc_bulkin_pipe != NULL)
641 usbd_abort_pipe(sc->sc_bulkin_pipe);
642 if (sc->sc_bulkout_pipe != NULL)
643 usbd_abort_pipe(sc->sc_bulkout_pipe);
644
4e01b467 645 crit_enter();
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646 if (--sc->sc_refcnt >= 0) {
647 /* Wait for processes to go away. */
648 usb_detach_wait(USBDEV(sc->sc_dev));
649 }
4e01b467 650 crit_exit();
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651
652#if defined(__NetBSD__) || defined(__OpenBSD__)
653 /* locate the major number */
654 for (maj = 0; maj < nchrdev; maj++)
655 if (cdevsw[maj].d_open == uscanneropen)
656 break;
657
658 /* Nuke the vnodes for any open instances (calls close). */
659 mn = self->dv_unit * USB_MAX_ENDPOINTS;
660 vdevgone(maj, mn, mn + USB_MAX_ENDPOINTS - 1, VCHR);
d47ac1a2 661#elif defined(__FreeBSD__) || defined(__DragonFly__)
984263bc 662 /* destroy the device for the control endpoint */
fef8985e 663 dev_ops_remove(&uscanner_ops, -1, USBDEVUNIT(sc->sc_dev));
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664#endif
665
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666 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
667 USBDEV(sc->sc_dev));
668
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669 return (0);
670}
671
672int
fef8985e 673uscannerpoll(struct dev_poll_args *ap)
984263bc 674{
b13267a5 675 cdev_t dev = ap->a_head.a_dev;
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676 struct uscanner_softc *sc;
677 int revents = 0;
678
679 USB_GET_SC(uscanner, USCANNERUNIT(dev), sc);
680
681 if (sc->sc_dying)
682 return (EIO);
683
1550dfd9 684 /*
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685 * We have no easy way of determining if a read will
686 * yield any data or a write will happen.
687 * Pretend they will.
688 */
fef8985e 689 revents |= ap->a_events &
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690 (POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM);
691
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692 ap->a_events = revents;
693 return (0);
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694}
695
d47ac1a2 696#if defined(__FreeBSD__) || defined(__DragonFly__)
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697DRIVER_MODULE(uscanner, uhub, uscanner_driver, uscanner_devclass, usbd_driver_load, 0);
698#endif